The Laughlin wavefunction was constructed as an ansatz to explain a certain variety of this effect, and the idea of composite fermions was developed to explain that same variety (*). In order to measure this effect's namesake coefficient for a roughly two-dimensional sample of arbitrary shape, the Van der Pauw method is particularly useful. An analogue of this effect that utilizes a disc-shaped sample instead of a rectangular one is known as the Corbino effect. Its quantum version was discovered by Klaus von Klitzing in 1980. For ten points, id
The Laughlin wavefunction was constructed as an ansatz to explain a certain variety of this effect, and the idea of composite fermions was developed to explain that same variety (*). In order to measure this effect's namesake coefficient for a roughly two-dimensional sample of arbitrary shape, the Van der Pauw method is particularly useful. An analogue of this effect that utilizes a disc-shaped sample instead of a rectangular one is known as the Corbino effect. Its quantum version was discovered by Klaus von Klitzing in 1980. For ten points, identify this electromagnetic effect whereby a magnetic field perpendicular to an electric current creates a voltage difference across two sides of a sample.
The Laughlin wavefunction was constructed as an ansatz to explain a certain variety of this effect, and the idea of composite fermions was developed to explain that same variety (*).
{Hall} Effect (accept “{Quantum Hall}” or “{Fractional Quantum Hall}” before (*))